Answer is :c) Gas(hydrogen sulfide)
1)They are all take up space.
2)They all have mass.
3)They are all solids.
Because of 1 and 2, they are all matter.
Answer:B. The sodium ion has a smaller radius than the atom.
Explanation:
Because size of cation is less than neutral atom
Answer:
It would appear that the H2 gas is collected in a stoppered flask. Therefore, the volume of the gas is 138 mL minus the 5 mL occupied by the HCl, or 133 mL.
Explanation:
Answer:
When you increase the volume of the tone, you are adding energy to the sound wave, resulting in larger vibrations
Explanation: